Home / 3,188.76-4,396.32-2,433.84

Finding the Fourth Proportional to 3,188.76, 4,396.32 and 2,433.84

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Solution

The fourth proportional to 3,188.76, 4,396.32 and 2,433.84 is: 3,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.76 : 4,396.32 = 2,433.84 : x
  2. Step 2: Convert to fraction form
    3,188.76/4,396.32 = 2,433.84/x
  3. Step 3: Cross multiply
    3,188.76x = 4,396.32 × 2,433.84
  4. Step 4: Simplify right side
    3,188.76x = 10,699,939.47
  5. Step 5: Solve for x
    x = 10,699,939.47/3,188.76
  6. Step 6: Final answer
    x = 3,355.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.